X-ray absorption near edge structure (XANES), also known as near edge X-ray absorption fine structure (NEXAFS), is a type of absorption spectroscopy that...
15 KB (1,971 words) - 03:45, 19 March 2023
Extended X-ray absorption fine structure (EXAFS), along with X-ray absorption near edge structure (XANES), is a subset of X-ray absorption spectroscopy...
13 KB (1,553 words) - 16:21, 5 May 2024
X-ray absorption spectroscopy (XAS) is a widely used technique for determining the local geometric and/or electronic structure of matter. The experiment...
9 KB (1,093 words) - 01:40, 17 May 2024
X-ray absorption fine structure (XAFS) is a specific structure observed in X-ray absorption spectroscopy (XAS). By analyzing the XAFS, information can...
12 KB (1,522 words) - 13:46, 28 August 2023
spectroscopy (TDLAS) X-ray absorption fine structure (XAFS) X-ray absorption near edge structure (XANES) Absorption (optics) Densitometry HITRAN Infrared gas...
22 KB (2,574 words) - 11:42, 9 April 2024
these modulations (called the X-ray absorption near-edge structure (XANES) or near-edge X-ray absorption fine structure (NEXAFS)) reveals information about...
27 KB (3,316 words) - 10:49, 14 April 2024
combined with absorption measurements of the so-called "pre-edge" region. Those measurements are called XANES (X-ray absorption near edge structure). In synchrotron...
15 KB (2,055 words) - 00:05, 17 January 2024
In X-ray absorption spectroscopy, the K-edge is a sudden increase in x-ray absorption occurring when the energy of the X-rays is just above the binding...
10 KB (1,405 words) - 05:21, 27 April 2022
can be used to study near-edge X-ray absorption fine structure (NEXAFS or XANES) as well as extended X-ray absorption fine structure (EXAFS). XRS belongs...
5 KB (820 words) - 13:57, 23 October 2022
x-ray absorption near edge structure (XANES), x-ray natural circular dichroism (XNCD), and non-resonant x-ray emission spectra. Calculations of the x-ray...
2 KB (216 words) - 19:05, 8 January 2023
Operando spectroscopy (section X-ray diffraction)
small-angle X-ray scattering and X-ray absorption near-edge structure investigation of catalyst structures and reactions". Journal of Molecular Structure. 383...
30 KB (3,602 words) - 20:07, 7 May 2024
of X-rays guarantees bulk sensitivity, as opposed to electron spectroscopies, and the tuning of the incoming X-rays to a specific absorption edge allows...
69 KB (7,003 words) - 14:01, 11 March 2024
Surface-extended X-ray absorption fine structure (SEXAFS) is the surface-sensitive equivalent of the EXAFS technique. This technique involves the illumination...
12 KB (1,844 words) - 20:51, 17 February 2023
the X-rays pass through a filter (optics). This will typically reduce the low-energy part of the spectrum, and possibly parts above absorption edges of...
21 KB (2,668 words) - 20:10, 30 May 2024
speciation. Similarly, sulfur speciation can be investigated with X-ray absorption near edge structure (XANES) spectroscopy, which is sensitive to sulfur-containing...
35 KB (4,234 words) - 16:50, 2 March 2024
Phase-contrast X-ray imaging or phase-sensitive X-ray imaging is a general term for different technical methods that use information concerning changes...
112 KB (13,654 words) - 22:04, 18 May 2024
Manganese (category Chemical elements with body-centered cubic structure)
black pigments by transmission electron microscopy and micro-X-ray absorption near-edge structure" (PDF). Applied Physics A. 83 (12): 213–218. Bibcode:2006ApPhA...
84 KB (9,502 words) - 23:09, 3 June 2024
shorter than those of X-rays. With frequencies above 30 exahertz (3×1019 Hz) and wavelengths less than 10 picometers (1×10−11 m), gamma ray photons have the...
58 KB (7,126 words) - 18:04, 23 May 2024
X-rays, which lie in the range of 5–20 keV They can be listed as follows: High penetration into materials due to a strongly reduced photo absorption cross...
9 KB (1,048 words) - 20:05, 29 February 2024
Infrared (redirect from Near-infrared)
moving the band edge of infrared to 0.1 mm (3 THz). Sunlight, at an effective temperature of 5,780 K (5,510 °C, 9,940 °F), is composed of near-thermal-spectrum...
91 KB (9,117 words) - 02:54, 7 June 2024
Sun (redirect from Solar X-ray astronomy)
were launched by NASA. This spacecraft was designed to observe gamma rays, X-rays and UV radiation from solar flares during a time of high solar activity...
171 KB (18,873 words) - 09:55, 7 June 2024
graphical software to fit X-ray absorption near edge structure (XANES). It can be used to determine the values of local atomic structure parameters on the basis...
2 KB (268 words) - 12:18, 23 November 2022
vacuum this ray will be a straight line (ignoring relativistic effects). Any combination of four things might happen with this light ray: absorption, reflection...
60 KB (7,577 words) - 15:32, 7 June 2024
an X-ray absorption near edge structure at 2476.1 eV. With sulfur the X-ray absorption edge changes with oxidation state as per Kunzl's law. The edge corresponds...
18 KB (2,031 words) - 00:37, 14 May 2024
inelastic X-ray scattering (RIXS) Small-angle X-ray scattering (SAXS) The X-Rays – 1897 British short silent comedy film X-ray absorption spectroscopy X-ray marker...
105 KB (12,434 words) - 05:30, 1 June 2024
can also be used to calculate X-ray Raman scattering spectra. Joly, Y. (2001-03-13). "X-ray absorption near-edge structure calculations beyond the muffin-tin...
2 KB (256 words) - 01:48, 28 March 2023
which uses near-edge X-ray absorption spectroscopy is able to be applied to fully hydrated biological molecules due to the ability of X-rays to penetrate...
7 KB (843 words) - 21:48, 5 May 2021
black pigments by transmission electron microscopy and micro-X-ray absorption near-edge structure" (PDF). Applied Physics A. 83 (12): 213–218. Bibcode:2006ApPhA...
83 KB (8,984 words) - 04:33, 12 May 2024
reveal the elemental and chemical composition of a material. X-ray absorption near edge structure (XANES) spectroscopy can reveal the iron oxidation states...
16 KB (2,113 words) - 19:24, 28 July 2023
Electron energy loss spectroscopy (redirect from Edge loss near edge spectroscopy)
inner-shell ionization EELS (which provides much the same information as x-ray absorption spectroscopy, but from much smaller volumes of material). The dividing...
19 KB (2,262 words) - 17:09, 17 May 2024